19725610

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:271

約数の個数: 64

約数和(自身を含む): 41057280

約数和(自身を除く): 21331670

約数列:

[1, 2, 5, 10, 17, 19, 31, 34, 38, 62, 85, 95, 155, 170, 190, 197, 310, 323, 394, 527, 589, 646, 985, 1054, 1178, 1615, 1970, 2635, 2945, 3230, 3349, 3743, 5270, 5890, 6107, 6698, 7486, 10013, 12214, 16745, 18715, 20026, 30535, 33490, 37430, 50065, 61070, 63631, 100130, 103819, 116033, 127262, 207638, 232066, 318155, 519095, 580165, 636310, 1038190, 1160330, 1972561, 3945122, 9862805, 19725610]

約数ペア:

[(1, 19725610), (2, 9862805), (5, 3945122), (10, 1972561), (17, 1160330), (19, 1038190), (31, 636310), (34, 580165), (38, 519095), (62, 318155), (85, 232066), (95, 207638), (155, 127262), (170, 116033), (190, 103819), (197, 100130), (310, 63631), (323, 61070), (394, 50065), (527, 37430), (589, 33490), (646, 30535), (985, 20026), (1054, 18715), (1178, 16745), (1615, 12214), (1970, 10013), (2635, 7486), (2945, 6698), (3230, 6107), (3349, 5890), (3743, 5270)]